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Informal description: ""

{λ[alpha:Set] .​ λ[f:Π[x: frac ] .​ Π[y: frac ] .​ alpha]} .​ <Prop> .​ {(f) .​ (alpha) .​ ( treq ) .​ ( symeq ) .​ ( refeq ) .​ ( eq ) .​ ( frac )} .​ fixfu2

Validation parameters: sort hierarchy = "Z2", kernel options = ""